Find the value of a and b if √5-1/√5+1=a+b√5

Arianna has $4 to spend at the candy shop she wants at least 10 sour snaps which are 15 cents each and at least 3 chocolate truffles which are 80 cents each.

What is the measure of angle AFE? 79° 81° 91° 99°

The tank on Mr. Ramiras' car holds 15 gallons of gasoline. If he gets 28.5 miles per gallon, how far can he travel on a full tank of gas?

What is a-2:5a+a+2:5a

Divide 7/6 4 in the simplest form

If f (x) = 7x-3 and g (x) = x^2, what is (g•f) (1)

Fifty-five percent of the 4000 customers placed orders, using the company's online service. How many customers did not order online?

robert earned $184 mowing 8 lawns he earned the same amount for mowing each lawn select all the equations that show reasonable estimates for the amount robert earned mowing each lawn

A student ran the 100-m dash in 15.4 s. What was the student's speed in miles per hour?

Marcus plans to install a fence in a backyard. The dimensions for the area are 15¼ yards long and 7¼ yards wide. How many feet of fencing will Marcus need to purchase?